Ring-necked Duck Aythya collaris

Ring-necked Duck male
Ring-necked Duck female
The Ring-necked Duck is the North American relation of the Eurasian Tufted Duck.
Ring-necked Duck
Ring-necked Duck male
Ring-necked Duck male
The male looks similar to the Tufted but has a (sometimes barely perceptible) brown ring around his neck, a more angular head and a dark bill with a light blue line across it near the tip.
Ring-necked Duck
Ring-necked Duck female
Ring-necked Duck female
The female looks similar to the Tufted but with a white eye-ring, brown eye, white scaup-like base of beak, angular head and a dark bill with light blue stripe across.
Ring-necked Duck female
Ring-necked Duck with Canvasback
Ring-necked Duck female with Canvasback
The strange-looking Ring-necked Duck (hybrid?) was the constant companion of the (also American and hybrid) Canvasback drake; they seemed paired.
Ring-necked Duck female
Ring-necked Duck with Canvasback
Ring-necked Duck female with Canvasback
Migratory, they fly north, including Great Lakes and Canada, in summer to breed, and south, including southern US, Mexico and Central America, in winter.
Ring-necked Duck female
Ring-necked Duck with Canvasback
Ring-necked Duck female with Canvasback